Adjustable percussion rod

Abstract

The utility model discloses an adjustable percussion rod, which relates to the technical field of medical anastomats, and comprises an anastomat body and a blocking and limiting component, a percussion rod body is arranged in the anastomat body, a positioning groove is arranged on the outer wall of the end part of the percussion rod body, and the blocking and limiting component is arranged in the positioning groove. The blocking and limiting assembly used for blocking is arranged in the anastomat body, the sliding groove is formed in the outer wall of the anastomat body, and the end of the first spring is connected with a sliding block. According to the adjustable percussion rod, the positioning block is blocked by the sliding block, so that the position of the positioning block in the positioning groove is limited, the positioning block can limit the position of the percussion rod body and adjust the percussion rod body, and therefore the purposes that shaking of the percussion rod body is reduced, the percussion rod body is locked before percussion, and the structure is stable and reliable are achieved; and the adjusting rod and the positioning bolt can lock the positions of the fixed rod and the starting rod, so that the triggering condition caused by mistaken touch is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of medical staplers, in particular to an adjustable firing rod. Background Art

[0002] In medicine, staplers are called suture devices and are mostly used for gastrointestinal anastomosis, similar to traditional manual sutures. The main working principle is to use large staples to separate or anastomose tissues. Its function is similar to that of a stapler, and according to different applicable scopes, it can be divided into skin staplers, rectal staplers, vascular staplers, etc. The firing rod is one of its power parts.

[0003] The existing firing rod is usually not adjustable. When the stapler box is installed, the position of the firing rod is not locked, which causes the firing rod to shake and shift inside the stapler box, which is not conducive to the installation of the stapler box. At the same time, it is easy to cause accidental firing, resulting in the need to improve the safety performance of the machine body.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and an adjustable firing rod is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide an adjustable firing rod to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable firing rod, comprising a stapler body and a blocking and limiting assembly, wherein a firing rod body is arranged inside the stapler body, and a stapler magazine body is threadedly connected to the inner wall at the end of the stapler body, a positioning groove is opened on the outer wall at the end of the firing rod body, the blocking and limiting assembly for blocking is arranged inside the stapler body, and the blocking and limiting assembly comprises a slide groove, a first spring and a slider, the slide groove is opened on the outer wall of the stapler body, and a first spring is arranged inside the slide groove, and the end of the first spring is connected to the slider.

[0007] Furthermore, a rotating shaft is disposed on the outer wall of the stapler body, and a positioning block is connected to the outer wall of the rotating shaft.

[0008] Furthermore, the positioning block is adapted to the positioning groove, and two positioning grooves and two positioning blocks are provided.

[0009] Furthermore, a second spring is disposed on the outer wall of the firing rod body, and the second spring is disposed inside the stapler body.

[0010] Furthermore, a firing start assembly for firing is disposed on the bottom outer wall of the stapler body, and the firing start assembly includes a fixed rod and a third spring, and the outer wall of the fixed rod is disposed with the third spring.

[0011] Furthermore, the firing starter assembly also includes a starter rod and a push block, the end of the third spring is connected to the starter rod, and the top end of the starter rod is provided with a push block.

[0012] Furthermore, an adjusting rod is provided on the outer wall of the fixing rod, and a positioning bolt is connected to the end of the adjusting rod.

[0013] Furthermore, the positioning bolt is arranged inside the starting rod, and the fixing rod and the starting rod are connected by an adjusting rod.

[0014] The utility model provides an adjustable firing rod, which has the following beneficial effects:

[0015] 1. The adjustable firing rod, the slider blocks the positioning block, so that the position of the positioning block inside the positioning groove is restricted. The positioning block can limit the position of the firing rod body and adjust the firing rod body, thereby reducing the shaking of the firing rod body. The locking structure of the firing rod body before firing is stable and reliable.

[0016] 2. The adjustable firing rod, before firing, the fixed rod and the starting rod are connected by the adjusting rod, and the adjusting rod and the starting rod are fixed by the positioning bolt. The adjusting rod and the positioning bolt can lock the positions of the fixed rod and the starting rod to prevent firing due to accidental touch, thereby increasing the safety performance of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a stapler body with an adjustable firing rod according to the utility model;

[0018] Figure 2 It is a front view structural schematic diagram of an adjustable firing rod of the utility model;

[0019] Figure 3 The utility model is an adjustable firing rod Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0020] Figure 4 The utility model is a three-dimensional structural schematic diagram of a positioning block of an adjustable firing rod.

[0021] In the figure: 1. stapler body; 2. firing rod body; 3. stapler magazine body; 4. positioning groove; 5. blocking limit assembly; 501. slide groove; 502. first spring; 503. slide block; 6. rotating shaft; 7. positioning block; 8. second spring; 9. firing start assembly; 901. fixing rod; 902. third spring; 903. start rod; 904. push block; 10. adjusting rod; 11. positioning bolt. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0023] like Figure 1-Figure 4 As shown, an adjustable firing rod comprises a stapler body 1 and a blocking and limiting assembly 5, wherein a firing rod body 2 is arranged inside the stapler body 1, and a stapler box body 3 is threadedly connected to the inner wall of the end of the stapler body 1, and a positioning groove 4 is provided on the outer wall of the end of the firing rod body 2, and a blocking and limiting assembly 5 for blocking is arranged inside the stapler body 1, and the blocking and limiting assembly 5 comprises a slide groove 501, a first spring 502 and a slider 503, the slide groove 501 is arranged on the outer wall of the stapler body 1, and a first spring 502 is arranged inside the slide groove 501, and the end of the first spring 502 is connected to the slider 503, a rotating shaft 6 is arranged on the outer wall of the stapler body 1, and a positioning block 7 is connected to the outer wall of the rotating shaft 6, the positioning block 7 is adapted to the positioning groove 4, and two positioning grooves 4 and two positioning blocks 7 are provided;

[0024] The specific operation is as follows: before installing the stapler box body 3, the firing rod body 2 is easy to shake inside the stapler body 1, and the slider 503 is pushed toward the end of the stapler body 1 connected to the stapler box body 3, the first spring 502 is compressed, the slide groove 501 slides inside the slider 503, and the positioning block 7 is pressed into the stapler body 1. The positioning block 7 rotates around the rotating shaft 6, the positioning groove 4 and the positioning block 7 are adapted, and the positioning block 7 is pressed into the positioning groove 4;

[0025] When the slider 503 is released and pushed, the first spring 502 rebounds, driving the slider 503 to reset. The slider 503 blocks the positioning block 7, so that the position of the positioning block 7 inside the positioning groove 4 is limited. The positioning block 7 can limit the position of the firing rod 2 and adjust the firing rod 2, thereby reducing the shaking of the firing rod 2. The locking structure of the firing rod 2 before firing is stable and reliable.

[0026] like Figure 1-Figure 4As shown, the outer wall of the firing rod body 2 is provided with a second spring 8, and the second spring 8 is provided inside the stapler body 1, the bottom outer wall of the stapler body 1 is provided with a firing start assembly 9 for firing, and the firing start assembly 9 includes a fixed rod 901 and a third spring 902, the outer wall of the fixed rod 901 is provided with a third spring 902, the firing start assembly 9 also includes a starting rod 903 and a pushing block 904, the end of the third spring 902 is connected to the starting rod 903, and the top end of the starting rod 903 is provided with a pushing block 904, the outer wall of the fixed rod 901 is provided with an adjusting rod 10, and the end of the adjusting rod 10 is connected to a positioning bolt 11, the positioning bolt 11 is provided inside the starting rod 903, and the fixed rod 901 and the starting rod 903 are connected through the adjusting rod 10;

[0027] The specific operation is as follows: when installing the stapler box body 3, the stapler body 1 and the stapler box body 3 are threadedly connected. Before firing, the fixing rod 901 and the starting rod 903 are connected by the adjusting rod 10. The adjusting rod 10 and the starting rod 903 are fixed by the positioning bolt 11. The adjusting rod 10 and the positioning bolt 11 can lock the positions of the fixing rod 901 and the starting rod 903 to prevent firing due to accidental touch.

[0028] Hold the fixed rod 901 and the starting rod 903, and use force to drive the starting rod 903 to move closer to the fixed rod 901, the third spring 902 is compressed, the starting rod 903 drives the pushing block 904 to move, the pushing block 904 drives the firing rod body 2 to move, the second spring 8 is compressed, and the starting rod 903 is released. The starting rod 903 and the pushing block 904 no longer press the firing rod body 2, the second spring 8 rebounds to drive the firing rod body 2 to fire, and the third spring 902 rebounds to reset the starting rod 903.

[0029] In summary, if Figure 1-Figure 4 As shown, when the adjustable firing rod is used, before installing the nail magazine body 3, the slider 503 is moved toward the end of the stapler body 1 connected to the nail magazine body 3, the first spring 502 is compressed, the slide groove 501 slides inside the slider 503, and the positioning block 7 is pressed into the inside of the stapler body 1. The positioning block 7 rotates around the rotating shaft 6, and the positioning block 7 is pressed into the inside of the positioning groove 4. The slider 503 is released and the first spring 502 rebounds, driving the slider 503 to reset. The slider 503 blocks the positioning block 7, so that the position of the positioning block 7 inside the positioning groove 4 is limited, and the positioning block 7 can limit the position of the firing rod body 2, and the firing rod body 2 is adjusted;

[0030] The stapler body 1 and the stapler magazine body 3 are threadedly connected. Before firing, the adjusting rod 10 and the positioning bolt 11 can lock the positions of the fixing rod 901 and the starting rod 903. The fixing rod 901 and the starting rod 903 are held by hand, and the starting rod 903 is driven to move closer to the fixing rod 901. The third spring 902 is compressed, and the starting rod 903 drives the pushing block 904 to move. The pushing block 904 drives the firing rod body 2 to move. The second spring 8 is compressed, and the starting rod 903 is released. The starting rod 903 and the pushing block 904 no longer press the firing rod body 2. The second spring 8 rebounds to drive the firing rod body 2 to fire, and the third spring 902 rebounds to drive the starting rod 903 to reset.

[0031] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An adjustable firing rod, comprising a stapler body (1) and a blocking and limiting assembly (5), characterized in that: A firing rod body (2) is arranged inside the stapler body (1), and a stapler box body (3) is threadedly connected to the inner wall of the end of the stapler body (1). A positioning groove (4) is provided on the outer wall of the end of the firing rod body (2). The blocking and limiting assembly (5) for blocking is arranged inside the stapler body (1), and the blocking and limiting assembly (5) comprises a slide groove (501), a first spring (502) and a slider (503). The slide groove (501) is opened on the outer wall of the stapler body (1), and a first spring (502) is arranged inside the slide groove (501), and the end of the first spring (502) is connected to the slider (503).

2. The adjustable firing rod according to claim 1, characterized in that: The outer wall of the stapler body (1) is provided with a rotating shaft (6), and the outer wall of the rotating shaft (6) is connected to a positioning block (7).

3. An adjustable firing rod according to claim 2, characterized in that: The positioning block (7) is matched with the positioning groove (4), and two positioning grooves (4) and two positioning blocks (7) are provided.

4. The adjustable firing rod according to claim 1, characterized in that: The outer wall of the firing rod body (2) is provided with a second spring (8), and the second spring (8) is arranged inside the stapler body (1).

5. The adjustable firing rod according to claim 1, characterized in that: The bottom outer wall of the stapler body (1) is provided with a firing start assembly (9) for firing start, and the firing start assembly (9) comprises a fixing rod (901) and a third spring (902), and the outer wall of the fixing rod (901) is provided with a third spring (902).

6. The adjustable firing rod according to claim 5, characterized in that: The firing starter assembly (9) further comprises a starter rod (903) and a push block (904); the end of the third spring (902) is connected to the starter rod (903), and the top end of the starter rod (903) is provided with a push block (904).

7. The adjustable firing rod according to claim 5, characterized in that: An adjusting rod (10) is provided on the outer wall of the fixing rod (901), and a positioning bolt (11) is connected to the end of the adjusting rod (10).

8. The adjustable firing rod according to claim 7, characterized in that: The positioning bolt (11) is arranged inside the starting rod (903), and the fixing rod (901) and the starting rod (903) are connected via an adjusting rod (10).

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